Journal article
Condensation and evaporation of boson stars
Abstract
Axion-like particles, including the QCD axion, are well-motivated dark matter candidates. Numerical simulations have revealed coherent soliton configurations, also known as boson stars, in the centers of axion halos. We study evolution of axion solitons immersed into a gas of axion waves with Maxwellian velocity distribution. Combining analytical approach with controlled numerical simulations we find that heavy solitons grow by condensation of …
Authors
Chan JH-H; Sibiryakov S; Xue W
Journal
Journal of High Energy Physics, Vol. 2024, No. 1,
Publisher
Springer Nature
DOI
10.1007/jhep01(2024)071
ISSN
1126-6708